Stapler



FIG. 1 is a right-side perspective view of a stapler

FIG. 2 is a left-side perspective view thereof;

FIG. 3 is a left-side perspective view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a rear view thereof.

The portions of the stapler shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for a stapler, as shown and described. 